Flow price: --
1b76d4da5b6bb073e3b4801e59ea4006517a07a2ea479209ae528eed2ed41455

Transaction

Hash: 1b76d4da5b6bb073e3b4801e59ea4006517a07a2ea479209ae528eed2ed41455
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b76d4da5b6bb073e3b4801e59ea4006517a07a2ea479209ae528eed2ed41455:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1b76d4da5b6bb073e3b4801e59ea4006517a07a2ea479209ae528eed2ed41455
Status:
ERROR
Block height:
40029848
Block id:
8b6df5350f2e25ca9573ca2d5184ba860dbf7041c526ec82ed1534654ceab589
Timestamp:
Monday 31 October 2022 at 05:39:40 UTC
()
Proposer:
Authorizers:
Gas used:
49